Finding the Fourth Proportional to 839,023.68, 1,157,823.81 and 476,440.95
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Solution
The fourth proportional to 839,023.68, 1,157,823.81 and 476,440.95 is: 657,472.12
Step by Step Solution
- Step 1: Write the proportion equation
839,023.68 : 1,157,823.81 = 476,440.95 : x - Step 2: Convert to fraction form
839,023.68/1,157,823.81 = 476,440.95/x - Step 3: Cross multiply
839,023.68x = 1,157,823.81 × 476,440.95 - Step 4: Simplify right side
839,023.68x = 551,634,675,969.02 - Step 5: Solve for x
x = 551,634,675,969.02/839,023.68 - Step 6: Final answer
x = 657,472.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.